Biology:Gaviota niobrara

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Short description: Extinct species of gull

Gaviota niobrara
Temporal range: Pliocene
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Charadriiformes
Family: Laridae
Genus: Gaviota
Miller & Sibley, 1941
Species:
G. niobrara
Binomial name
Gaviota niobrara
Miller & Sibley, 1941

Gaviota niobrara is an extinct species of gull that lived during the Miocene.[1]

Etymology

The genus name Gaviota derives from the Spanish word for gull.[2] The species name niobrara derives from the Ponca language, referring to the Niobrara River, along which the type specimen was found in Cherry County, Nebraska.[1]

Description

Gaviota niobrara is the only known member of the genus Gaviota. Gaviota is distinguished by the distal position and relatively short length of the ectepicondylar spur and the position of pronator brevis.[1] These characteristics resemble those of Scolopacidae, suggesting a closer relation between gulls and sandpipers in the Miocene.[1] The humerus size of Gaviota niobrara is similar to that of the glaucous gull (Larus hyperboreus).[1]

References

  1. 1.0 1.1 1.2 1.3 1.4 Miller, Alden H.; Sibley, Charles G. (1941). "A Miocene Gull from Nebraska". The Auk 58 (4): 563–566. doi:10.2307/4078640. ISSN 0004-8038. https://www.jstor.org/stable/4078640. 
  2. "gaviota" (in en), Wiktionary, the free dictionary, 2023-12-02, https://en.wiktionary.org/w/index.php?title=gaviota&oldid=76859672, retrieved 2023-12-08 

External links

Wikidata ☰ Q123699381 entry